NSI Industries JSW68 - Flat Washer, Steel material, Zinc Chromate finish, 5/16 in. outside diameter, 1/8 in. inside diameter, 4 in. fits bolt sizes, 100 per pack
NSI Industries

JSW68

Alternate Item Number: 71968

UPC: 639720719680


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The NSi Industries JSW68 flat washer is a precision-engineered steel component designed for secure mechanical assemblies in industrial, construction, and manufacturing environments. Made from durable carbon steel with a zinc chromate finish, this washer provides reliable corrosion resistance in harsh conditions, extending service life in outdoor, marine, and high-moisture applications. With an outside diameter of 5/16 inch and an inside diameter of 1/8 inch, the JSW68 fits bolt sizes up to 4 inches, offering compatibility with standard fasteners in mechanical systems, structural frameworks, and equipment assemblies. The zinc chromate coating delivers superior rust protection compared to uncoated steel, reducing maintenance costs and preventing premature failure in critical joints. Packaged in quantities of 100, this washer is ideal for bulk procurement in workshops, fabrication shops, and job sites where consistent, high-volume hardware is required. Unlike reducing washers (e.g., NSi SKUs 1064, 1065, 1066), the JSW68 is a standard flat washer for load distribution and surface protection, not for size transitions. Its simple design ensures easy installation with common hand tools, making it a cost-effective solution for general-purpose fastening applications requiring dimensional stability and long-term reliability.
  • Material: Cold-rolled carbon steel for strength and durability
  • Finish: Zinc chromate coating for enhanced corrosion resistance in harsh environments
  • Dimensions: 5/16" outside diameter, 1/8" inside diameter, fits bolt sizes up to 4"
  • Packaging: 100 washers per box for bulk industrial and construction applications
  • Applications: Mechanical assemblies, structural connections, equipment mounting, and general-purpose fastening

Specifications

Application
Metal to Metal
Finish
Zink Chromate
Fits Bolt Sizes
4 IN
Inside Diameter
1/8 IN
Material
Steel
Outside Diameter
0.3125 in
Standard
SAE
Type
Flat Washer
Package Dimensions (L x W x H)
3 IN x 3 IN x 2.15 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 5.461 cm
Package Weight (Imperial)
0.110 L
Package Weight (Metric)
0.050 kg
Flat Washer, Steel material, Zinc Chromate finish, 3/8 in. outside diameter, 5/32 in. inside diameter, 6 in. fits bolt sizes, 100 per pack

JSW70

Flat Washer, Steel material, Zinc Chromate finish, 3/8 in. outside diameter, 5/32 in. inside diameter, 6 in. fits bolt sizes, 100 per pack
Flat Washer, Steel material, Zinc Chromate finish, 7/16 in. outside diameter, 3/16 in. inside diameter, 8 in. fits bolt sizes, 100 per pack

JSW71

Flat Washer, Steel material, Zinc Chromate finish, 7/16 in. outside diameter, 3/16 in. inside diameter, 8 in. fits bolt sizes, 100 per pack
1/4" Flat SAE DOMETIC Washer Zinc

JSW73D

1/4" Flat SAE DOMETIC Washer Zinc
Flat Washer, Steel material, Zinc Chromate finish, 5/8 in. outside diameter, 9/32 in. inside diameter, 1/4 in. fits bolt sizes, 100 per pack

JSW73

Flat Washer, Steel material, Zinc Chromate finish, 5/8 in. outside diameter, 9/32 in. inside diameter, 1/4 in. fits bolt sizes, 100 per pack
3/8" Flat SAE Washer USA Made Zinc

JSW75D

3/8" Flat SAE Washer USA Made Zinc
Flat Washer, Steel material, Zinc Chromate finish, 13/16 in. outside diameter, 13/32 in. inside diameter, 3/8 in. fits bolt sizes, 100 per pack

JSW75

Flat Washer, Steel material, Zinc Chromate finish, 13/16 in. outside diameter, 13/32 in. inside diameter, 3/8 in. fits bolt sizes, 100 per pack
USS Flat Washer, Steel material, Zinc Chromate finish, 3/4 in. outside diameter, 5/16 in. inside diameter, 1/4 in. fits bolt sizes, 100 per pack

JWW80

USS Flat Washer, Steel material, Zinc Chromate finish, 3/4 in. outside diameter, 5/16 in. inside diameter, 1/4 in. fits bolt sizes, 100 per pack
5/16" USS Flat Washer Zinc u/m 1,000

JWW81M

5/16" USS Flat Washer Zinc u/m 1,000
USS Flat Washer, Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack

JWW81

USS Flat Washer, Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack
USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.

JG8WW81

USS Flat Washer, Hardened Steel material, Zinc Chromate finish, 7/8 in. outside diameter, 3/8 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack. For use with Grade 5 and Grade 8 Bolt and Nut.
Flat Washer, Steel material, Zinc Chromate finish, 59/64 in. outside diameter, 15/32 in. inside diameter, 7/16 in. fits bolt sizes, 100 per pack

JSW79

Flat Washer, Steel material, Zinc Chromate finish, 59/64 in. outside diameter, 15/32 in. inside diameter, 7/16 in. fits bolt sizes, 100 per pack
Flat Washer, Steel material, Zinc Chromate finish, 11/16 in. outside diameter, 11/32 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack

JSW74

Flat Washer, Steel material, Zinc Chromate finish, 11/16 in. outside diameter, 11/32 in. inside diameter, 5/16 in. fits bolt sizes, 100 per pack

Frequently Asked Questions

What materials are available for JSW series flat washers?

JSW series flat (SAE) washers are available in Steel Zinc, 18-8 Stainless Steel, and 316 Stainless Steel.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.